TikTok and its parent company, ByteDance, filed a federal lawsuit on Tuesday seeking to block the newly passed law that would ban the popular social media app in the U.S. unless its Chinese owner sells it. The suit, filed in the U.S. Court of Appeals for the D.C. Circuit, argues the law is a violation of Americans' First Amendment right to free speech. It also claims the provision that requires ByteDance to divest its ownership of TikTok's U.S. operation within nine months is not "...